FixedGears

FixedGears is a gear calculator for riders of single-speed and fixed-gear bikes. It calculates gearing for various chain-ring and cog sizes, cadence, speeds, skid patches (1- or 2-leg), alternate gearing (real). ** This app is deprecated and has been replaced by FixedGears2. ** (See https://play.google.com/store/apps/details?id=org.midtoad.fixedgears2)